<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>注册</h1>
<div>
  <input type="text" placeholder="用户名" v-model="user.username">
  <input type="text" placeholder="密码" v-model="user.password">
  <input type="text" placeholder="昵称" v-model="user.nick">
  <input type="button" value="注册" @click="reg()">
</div>
<script src="js/vue.js"></script>
<script src="js/axios.min.js"></script>
<script>
  let v = new Vue({
    el:"div",
    data:{
      user:{
        username:"",password:"",nick:""
      }
    },
    methods:{
      reg(){
        axios.post("/reg",v.user).then(function (r) {
          if(r.data==1){
            alert("注册成功")
            location.href="/";
          }else{
            alert("用户已存在")
          }
        })
      }
    }
  })
</script>
</body>
</html>